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Endoskeletal Knee, Microprocessor Swing Phase Control

Maine rates for HCPCS L5857

Addition to lower extremity prosthesis, endoskeletal knee-shin system, microprocessor control feature, swing phase only, includes electronic sensor(s), any type

Rates data updated October 2026.

How much does Endoskeletal Knee, Microprocessor Swing Phase Control cost?

$6,166

Typical negotiated rate. In Maine, October 2026.

Insurers have agreed to pay about $6,166 for this service. Most negotiated rates run $5,129 to $9,120.

These are rates insurers have negotiated with providers, not the amount a patient is billed. What you owe depends on your plan's deductible and coinsurance. Based on rates published by 6 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $13,183 · 10th to 90th $10,233 to $25,119Professionalmedian $5,623 · 10th to 90th $4,898 to $9,120
$5K$10K$20Kfacility $13,183professional $5,623

Distribution of negotiated rates across all payers (price axis is log-scale). Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
None
Typical Low
$5,495.41
Median
$6,918.31
Typical High
$6,918.31
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$10,232.93
Median
$13,182.57
Typical High
$25,118.86
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$5,623.41
Median
$5,623.41
Typical High
$6,165.95
Anthem BCBS
Setting
Professional
Modifier
RR · Rental
Typical Low
$562.34
Median
$562.34
Typical High
$616.60
Anthem BCBS
Setting
Professional
Modifier
UE · Used equipment
Typical Low
$4,265.80
Median
$4,265.80
Typical High
$4,677.35
Cigna
Setting
Facility
Modifier
None
Typical Low
$6,606.93
Median
$6,606.93
Typical High
$7,079.46
Cigna
Setting
Professional
Modifier
None
Typical Low
$4,897.79
Median
$4,897.79
Typical High
$6,606.93
Harvard Pilgrim
Setting
Professional
Modifier
None
Typical Low
$4,073.80
Median
$9,120.11
Typical High
$11,748.98
Martin's Point
Setting
Professional
Modifier
None
Typical Low
$5,495.41
Median
$6,918.31
Typical High
$6,918.31
United
Setting
Professional
Modifier
None
Typical Low
$4,073.80
Median
$5,128.61
Typical High
$14,454.40
4 more rates with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$831.76
Median
$1,047.13
Typical High
$1,047.13
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$549.54
Median
$691.83
Typical High
$691.83
Martin's Point
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$831.76
Median
$1,047.13
Typical High
$1,047.13
Martin's Point
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$549.54
Median
$691.83
Typical High
$691.83

Where Maine sits

The same service costs 2.3 times more in Hawaii than in Delaware. Every bar is a state, most expensive first. Touch or drag across it to read any state, then open that state for its carriers and full range.

Maine· 29th of 51

$6,166

HI $11,220DE $4,898

Median negotiated rate in each state, from every insurer that publishes one. States where no insurer publishes a rate for this service are not shown.